The Light Gray Request to Exit (REX) Detector is a passive infrared detector, is ceiling or wall-mountable and designed specifically for single or double door request to exit applications. The device features internal vertical point-ability, wrap-around coverage patter and selectable relay trigger mode, as well as selectable fail-safe/fail-secure modes. The device detects motion in the coverage area and signals an access control system or door control device. The REX detector also features an externally visible activation LED. What′s Included: (1) Request to Exit (REX) Detector - Light Gray